| Year | 2021 |
| Date | 09-Apr |
| Volume | 226 |
| Issue | 4,662 |
| Page | 489 |
| Category | Stationary Engine |
| Part | 1 |
| Title | Thompstone Engine |
| Author | Jason Ballamy |
| Notes | Builds a mill engine first described in Model Engineer 120 years ago. Background, the model, base plate, cylinder fabrication, cylinder body, reference, see 4 49 227 |